1、WORDS & EXPRESSIONSassist【语境展示】阅读下面句子，并试着归纳assist的意思及用法。1. They had no maps to assist them.2. The information will assist the police in / with their search.3. She offered to assist in / with the marketing of the product. 4. You will be required to assist Mrs. Smith in preparing a report.5. The progr
2、am assists young people to find work.【自我归纳】assist作动词，意为“帮助，协助，援助”，常用搭配：assist sb.（句1）；assist (sb.) _ sth.（句2和句3）；assist sb. in doing sth.（句4）；assist sb. to do sth.（句5）。【拓展】assistant n. 助手，助理，售货员 assistance n. 帮助，援助，支持【即学即练】根据括号内的汉语提示补全下面句子（每空一词）。1. Well do the job more quickly _ _ _ _ (如果你帮我们的忙).2.
3、Julia said she was going to _ _ _ _ _ _ (帮助杰克准备他的发言) on Sunday.3. My colleague is willing to _ _ _ _ _ (协助我做这个项目) .depend on【归纳】depend on意为：依靠，依赖（常用搭配：depend on sth. / sb. for sth.; depend on sb. to do sth.）；相信，信赖；取决于，视而定（后可接名词或从句）。如：I dont want to depend too much on my parents.Children depend on th
4、eir parents for food and clothing.Im depending on you to tell me everything.You can depend on Jane she always keeps her promises.Whether or not we go to Spain for our holiday depends on the cost.Choosing the right bike depends on what you want to use it for.【即学即练】翻译下面句子。1. Roses a woman who can be d
5、epended on. _2. We depend on the radio for news. _3. How much is produced depends on how hard we work. _accuse . of .【归纳】accuse . of .意为“因控告或指责”， of 后跟名词或动词-ing形式。如：The man was accused of robbery.Mr. Smith accused his wife of lying. 【拓展】 accuse与charge都可作“指控”讲，但与二者搭配的介词不同。charge常用于charge . with . 结构。
6、如：The woman charged her colleague with murder. John was charged with stealing a car.【即学即练】用accuse或charge的正确形式填空。1. Sarahs son _ her of having broken her word yesterday. 2. The paper _ her with using the companys money for her own purposes.3. The young man _ of murder, which shocked us. approve【语境展示】
7、阅读下面句子，并试着归纳approve的意思及用法。1. They approved the new building plans.2. The course is approved by the Department for Education. 3. Mary wanted to go abroad, but her mother didnt approve. 4. Jim seemed to approve of my choice. 5. I thoroughly approve of what the government is doing.【自我归纳】approve既可作及物动词，
8、也可作不及物动词。作及物动词时，意为“赞成，批准，认可，核准”（句1、句2）。作不及物动词时，意为“赞成，同意” （句3句5），常用于以下结构：approve _ + sth./从句（句4、句5）。【拓展】approval n. 同意，赞成，批准，认可【即学即练】根据括号内的汉语提示补全下面句子。1. So far _ (琳达的爸爸不赞成她的选择).2. _ (当地政府核准了该预算) last week.concentrate【语境展示】阅读下面句子，并试着归纳concentrate的意思及用法。1. This helps you to concentrate your mind on the
9、 immediate task.2. Lucy decided to concentrate all her efforts on working out the problem. 3. The troops concentrated near the station. 【自我归纳】concentrate既可作及物动词，也可作不及物动词。作及物动词时，意为“集中”，常构成搭配concentrate sth. _ sth. / doing sth. （句1、句2）。作不及物动词时，意为“聚集”（句3）。【拓展】concentrate on 意为“集中，全神贯注于”，其后接名词或动词-ing形式。
10、如：Be quiet Let me concentrate on my work.She concentrated on studying for her exam.【即学即练】根据括号内的汉语提示补全下面句子。1. You should _ (全力以赴通过考试).2. Having failed my French exams, _ (我决定专攻理科).inform【语境展示】阅读下面句子，并试着归纳inform的意思及用法。1. Mike informed his parents of / about his safe arrival.2. I informed my boss that
11、I was going to be away next week.3. Please inform us how to find Dr. Browns house. 4. He will inform us where to go. 【自我归纳】inform常作及物动词，意为“告知，通知”，常用于以下结构：inform sb. _ sth. （句1）；inform + that从句（句2）；inform sb. +连接词+ to do sth. （句3、句4）。【拓展】informed adj. 有学问的，有见识的keep sb. informed随时通知某人【即学即练】翻译下面句子。1. 地
12、址若有变动，请尽快通知我们。_2. 这位老人向警方报案说有些钱不见了。_3. 随时通知我进展情况。_4. 汤姆告诉我在哪里可以买到那本书。_5. 我的邻居是位博闻多识的人。_ahead of【归纳】ahead of 意为：在的前面；早于；领先。如：Rick walked on ahead of us. Betty finished her test ahead of the others.His ideas were ahead of his time. 【即学即练】翻译下面句子。1. Rose was always well ahead of the rest of the class._2
13、. Directly ahead of us is the royal palace._3. The workers completed the project two days ahead of the deadline. _so as to【归纳】so as to意为“为了”，后接动词原形，表示目的。其否定形式为so as not to。如：My mother always keeps fruit in the fridge so as to keep insects off it. Lucy worked harder than before so as not to fall behi
14、nd. 【即学即练】根据括号内的汉语提示补全下面句子。1. We went early _ (为了占到好座位).2. The woman opened the door quietly _ (为了不弄醒睡着的孩子).Keys:assist【自我归纳】in / with【即学即练】1. if you assist us 2. assist Jack to prepare his speech / in preparing his speech 3. assist me in / with this projectdepend on【即学即练】1. 罗斯是个可以信赖的人。2. 我们靠收音机听新闻。
15、3. 产量的大小在于我们努力的程度。accuse . of .【即学即练】1. accused 2. charged 3. was accusedapprove【自我归纳】of【即学即练】1. Lindas father hasnt approved (of) her choice2. The local government approved the budgetconcentrate【自我归纳】on【即学即练】1. concentrate all your efforts on passing the exam2. I decided to concentrate on science s
16、ubjectsinform【自我归纳】of / about【即学即练】1. Please inform us of any change of address as soon as possible.2. The old man informed the police that some money was missing.3. Keep me informed of any developments.4. Tom informed me where to buy the book.5. My neighbor is a well-informed man.ahead of【即学即练】1.罗斯在班上总是遥遥领先。2.我们正前方就是皇宫。3.工人们在最后期限的前两天完成了这项工程。so as to【即学即练】1. so as to get good seats2. so as not to wake the sleeping child up